Carex flava var. patula Host Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex flava Name Homonyms Carex flava f. patula (Klett & Richt.) Schur Carex flava var. patula Klett & Richt. Carex flava var. patula Host